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THOMSON Profile Ball Rail: 25, 340 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht - Thomson 500 Series Ball Profile Rails
THOMSONThomson 500 Series Ball Profile Rails

THOMSON Profile Ball Rail: 25, 340 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht

The Thomson 500 Series Profile Ball Rail, model 521H25A+340, is a steel linear guide rail with a nominal size of 25. It has an overall length of 340 mm, an overall width of 23 mm, and an overall height of 22.7 mm…

SKU 3G-OTH-122981

Also listed as: 521H25A340 · 521H25A 340 · 521H25A-340

Brand
THOMSON
Item
Profile Ball Rail: 25, 340 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht
Category
Thomson 500 Series Ball Profile Rails
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

THOMSON
Manufacturer Part Number
521H25A+340
Type
Steel
Overall Lg
340 mm
Size
25
Overall Ht
22.7 mm
Overall Wd
23 mm
Rail Holes
6
Nominal Rail Size
25

Technical Documents

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THOMSON Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Thomson 500 Series Profile Ball Rail, model 521H25A+340, is a steel linear guide rail with a nominal size of 25. It has an overall length of 340 mm, an overall width of 23 mm, and an overall height of 22.7 mm, featuring 6 rail holes. This product is designed for use in industrial equipment requiring precise linear motion.

Frequently Asked Questions

What is the Thomson 521H25A+340 profile ball rail used for?

The Thomson 521H25A+340 profile ball rail is used in industrial equipment requiring precise linear motion, such as CNC machines, automation systems, and material handling equipment. It provides smooth, low-friction guidance for moving components.

What are the specifications of the Thomson 521H25A+340 profile ball rail?

The Thomson 521H25A+340 is a steel profile ball rail with nominal size 25, overall length 340 mm, width 23 mm, and height 22.7 mm. It has 6 rail holes and is part of the Thomson 500 Series. The manufacturer part number is 521H25A+340.

Where to buy the Thomson 521H25A+340 profile ball rail worldwide?

You can source the Thomson 521H25A+340 profile ball rail through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your operations.

How to select the correct Thomson profile ball rail for an application?

To select the correct Thomson profile ball rail, match the nominal size, overall length, and load capacity to your application's requirements. The 521H25A+340 has a nominal size of 25 and a 340 mm length. Consult Thomson's technical documentation for load ratings and installation guidelines.

Used in

Common applications for THOMSON
Industrial automation — Thomson 500 Series ball carriages (511H25C0D) used in linear motion axes for pick-and-place systems.
Packaging machinery — Thomson profile ball rails (521H30AD+1000) guide conveyor or carton-erecting mechanisms.
Material handling — Thomson linear ball bearings (SUPER32OPN) support sliding loads in transfer stations.
Machine tool — Thomson ball nut end blocks (7829547) integrate with ball screws for CNC table positioning.
Medical equipment — Thomson pre-drilled shaft support rails (LSR-10-PD) mount linear guides in diagnostic scanners.
Automated assembly — Thomson double-acting seals (OPNS1000) protect linear bearings in dusty environments.

THOMSON Products

3G Electric supplies THOMSON thomson 500 series ball profile rails. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
Profile Ball Rail: 25, 640 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H25A+640)
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Profile Ball Rail: 25, 640 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H25A+640)
Profile Ball Rail: 25, 220 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H25A+220)
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Profile Ball Rail: 25, 220 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H25A+220)
Profile Ball Rail: 25, 280 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H25A+280)
THOMSON
Profile Ball Rail: 25, 280 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H25A+280)
Profile Ball Rail: 25, 460 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H25A+460)
THOMSON
Profile Ball Rail: 25, 460 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H25A+460)
Profile Ball Rail: 25, 1,240 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel (MPN 521H25A+1240)
THOMSON
Profile Ball Rail: 25, 1,240 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel (MPN 521H25A+1240)
Profile Ball Rail: 25, 820 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H25A+820)
THOMSON
Profile Ball Rail: 25, 820 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H25A+820)

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Profile Ball Rail: 20, 160 mm Overall Lg, 20 mm Overall Wd, 19 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H20A+160)
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Profile Ball Rail: 20, 160 mm Overall Lg, 20 mm Overall Wd, 19 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H20A+160)
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Profile Ball Rail: 20, 280 mm Overall Lg, 20 mm Overall Wd, 19 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H20A+280)
Profile Ball Rail: 35, 1,240 mm Overall Lg, 34 mm Overall Wd, 29.5 mm Overall Ht, Steel (MPN 521H35A+1240)
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Profile Ball Rail: 35, 1,240 mm Overall Lg, 34 mm Overall Wd, 29.5 mm Overall Ht, Steel (MPN 521H35A+1240)
Profile Ball Rail: 25, 1,000 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel (MPN 521H25AD+1000)
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Profile Ball Rail: 25, 1,000 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel (MPN 521H25AD+1000)
Profile Ball Rail: 20, 460 mm Overall Lg, 20 mm Overall Wd, 19 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H20A+460)
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Profile Ball Rail: 20, 460 mm Overall Lg, 20 mm Overall Wd, 19 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H20A+460)
Profile Ball Rail: 20, 1,000 mm Overall Lg, 20 mm Overall Wd, 19 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H20AD+1000)
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Profile Ball Rail: 20, 1,000 mm Overall Lg, 20 mm Overall Wd, 19 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H20AD+1000)
Profile Ball Rail: 45, 885 mm Overall Lg, 45 mm Overall Wd, 37 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H45A+885)
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Profile Ball Rail: 45, 885 mm Overall Lg, 45 mm Overall Wd, 37 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H45A+885)